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旋转线性调频信号的分析与设计

DOI: 10.13190/j.jbupt.2014.06.012, PP. 59-62

Keywords: 旋转线性调频信号,分数阶傅里叶变换,模糊函数,分辨力

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Abstract:

为提高复合线性调频(CLFM)信号的距离速度联合分辨力,提出了一种基于分数阶傅里叶变换的旋转线性调频(RLFM)信号,给出了设计方法,仿真得到了RLFM信号的模糊函数图、-3dB模糊度图、距离模糊函数图及速度模糊函数图,最后将其与CLFM信号进行了对比,结果显示,当旋转角度α满足1/2α

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